AMD Radeon HD 6490 vs AMD Radeon RX 6500 XT

VS

AMD Radeon HD 6490

AMD Radeon RX 6500 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6490 and 4GB VRAM Radeon RX 6500 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6490 's Advantages

Lower TDP (39W vs 107W)

AMD Radeon RX 6500 XT 's Advantages

Released 10 years and 6 months late

Boost Clock2815MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (143.9GB/s vs 16.00GB/s)

704 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490

0.352 TFLOPS

Radeon RX 6500 XT +1537%

5.765 TFLOPS

Radeon HD 6490

VS

Radeon RX 6500 XT

Graphics Card

Jul 2011

Release Date

Jan 2022

Northern Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

2310 MHz

-

Boost Clock

2815 MHz

500 MHz

Memory Clock

2248 MHz

Memory

1024MB

Memory Size

4GB

DDR2

Memory Type

GDDR6

128bit

Memory Bus

64bit

16.00GB/s

Bandwidth

143.9GB/s

Render Config

4

Compute Units

16

-

320

Shading Units

1024

16

TMUs

64

8

ROPs

32

-

RT Cores

16

8 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

4.400 GPixel/s

Pixel Rate

90.08 GPixel/s

8.800 GTexel/s

Texture Rate

180.2 GTexel/s

-

FP16 (half)

11.53 TFLOPS

352.0 GFLOPS

FP32 (float)

5.765 TFLOPS

-

FP64 (double)

360.3 GFLOPS

Board Design

39W

TDP

107W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

None

Power Connectors

1x 6-pin

Graphics Processor

Redwood

GPU Name

Navi 24

Redwood LE

GPU Variant

Navi 24 XT (215-135000006)

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

6 nm

0.627 billion

Transistors

5.4 billion

104 mm²

Die Size

107 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.2

N/A

Vulkan

1.3

-

5.0

Shader Model

6.6

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